CVE-2023-20582 - Vulnerability Details - OpenCVE

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html

History

Wed, 12 Feb 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 11 Feb 2025 21:45:00 +0000

Type	Values Removed	Values Added
Description		Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.
Weaknesses		CWE-1284
References		https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2025-02-11T21:35:15.949Z

Updated: 2025-02-12T15:56:22.786Z

Reserved: 2022-10-27T18:53:39.758Z

Link: CVE-2023-20582

Vulnrichment

Updated: 2025-02-12T15:56:17.206Z

NVD

Status : Received

Published: 2025-02-11T22:15:26.347

Modified: 2025-02-11T22:15:26.347

Link: CVE-2023-20582

Redhat

No data.

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